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- Title
- Observation of two charged bottomonium-like resonances in Y(5S) decays.
- Publication Year
- 2012-03-20
- Abstract
-
WereporttheobservationoftwonarrowstructuresinthemassspectraoftheðnSÞ(n¼1,2,3)
andhb
ðmPÞ(m¼1,2)pairsthatareproducedinassociationwithasinglechargedpioninð5SÞ
decays.Themeasuredmassesandwidthsofthetwostructuresaveragedoverthefivefinalstatesare
M1
¼ð10607:22:0ÞMeV=c2,1
¼ð18:42:4ÞMeV,andM2
¼ð10652:21:5ÞMeV=c2,2
¼
ð11:52:2ÞMeV.Theresultsareobtainedwitha121:4fb1datasamplecollectedwiththeBelle
detectorinthevicinityoftheð5SÞresonanceattheKEKBasymmetric-energyeþecollider.
- Keyword
- HighEnergyPhysics; ParticlePhysics; belle
- Journal Title
- PhysicalReviewLetters
- Citation Volume
- 108
- ISSN
- 0031-9007
- Files in This Item:
- There are no files associated with this item.
- Appears in Collections:
- 7. KISTI 연구성과 > 학술지 발표논문
